Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6ad9e5d in malloc_consolidate (av=0x7ffff6dcee40) at malloc.c:5103
5103    malloc.c: No such file or directory.
        in malloc.c
(gdb) bt
#0  0x00007ffff6ad9e5d in malloc_consolidate (av=0x7ffff6dcee40)
    at malloc.c:5103
#1  0x00007ffff6adc8da in _int_malloc (av=0x7ffff6dcee40, 
    bytes=<value optimized out>) at malloc.c:4693
#2  0x00007ffff6ade7ee in *__GI___libc_malloc (bytes=4) at malloc.c:3638
#3  0x00007ffff72256bf in IA__g_realloc (mem=0x7ffff6dcee40, n_bytes=4)
    at gmem.c:170
#4  0x00007ffff723f2a7 in g_string_maybe_expand (string=0x610d00, 
    len=<value optimized out>) at gstring.c:361
#5  0x00007ffff724040a in IA__g_string_sized_new (dfl_size=2) at gstring.c:386
#6  0x00007ffff7221acb in IA__g_markup_vprintf_escaped (
    format=0x406b49 " name=\"%s\"", args=0x7fffffffd930) at gmarkup.c:2337
#7  0x000000000040405e in xml_printf (xml=0x613a40, fmt=0x7ffff6dcee40 "\001")
    at generate.c:73
#8  0x000000000040474f in write_type_info (namespace=0x6127bc "annotation", 
    info=0x614280, file=0x613a40) at generate.c:217
#9  0x0000000000404b11 in write_callable_info (
    namespace=0x6127bc "annotation", info=0x6141c0, file=0x613a40)
    at generate.c:522
#10 0x0000000000404edd in write_callback_info (
    namespace=0x6127bc "annotation", info=0x6141c0, file=0x613a40)
    at generate.c:594
#11 0x0000000000406353 in write_repository (namespace=0x6127bc "annotation", 
---Type <return> to continue, or q <return> to quit---
    needs_prefix=<value optimized out>) at generate.c:1321
#12 0x000000000040678f in main (argc=1, argv=0x7fffffffddd8) at generate.c:1499
(gdb) 

